Toshiba e-STUDIO520 Service Handbook page 420

[C1A0] Tandem LCF end fence motor abnormality
Is the Tandem LCF end fence motor working?
(Perform the output check in the test mode: 03-207)
l NO
l
l
l
l
l
l
l
l
YES
Are the LCF end fence stop position sensors working?
(Perform the input check in the test mode: 03-[FAX]OFF/[8]/[G], /[8]/[H])
l NO
l
l
l
l
l
l
l
YES
1) Check if the driving mechanism is abnormal.
2) Check if the conductor pattern on the LGC board is short circuited or open circuited.
3) Replace the LGC board.
e-STUDIO520/523/600/603/720/723/850/853
TROUBLESHOOTING
1) Check if the connector of the Tandem LCF end fence motor is dis-
connected.
2) Check if the connector CN345 on the LGC board is disconnected.
3) Check if the connector pins are disconnected and the harnesses are
open circuited.
4) Check if the conductor patterns on the LCF board and LGC board are
short circuited or open circuited.
5) Replace the Tanden LCF end fence motor.
6) Replace the LGC board.
1) Check if the connectors of the sensors are disconnected.
2) Check if the connector CN345 on the LGC board is disconnected.
3) Check if the slit reaches the sensors.
4) Check if the connector pins are disconnected and the harnesses are
open circuited.
5) Check if the conductor patterns on the LCF board and LGC board are
short circuited or open circuited.
6) Replace the LGC board.
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